Debt Under Vehicle Programs And Borrowing Arrangements (Schedule Of Available Funding Under The Vehicle Programs) (Detail) $ in Millions	Mar. 31, 2021 USD ($)
Debt Instrument [Line Items]
Total Capacity	$ 12,674
Outstanding Borrowings	7,840
Available Capacity	4,834
Americas
Debt Instrument [Line Items]
Total Capacity	746
Outstanding Borrowings	499
Available Capacity	247
Americas \| Secured Debt
Debt Instrument [Line Items]
Outstanding Borrowings	700
Americas \| Affiliated Entity \| Avis Budget Rental Car Funding
Debt Instrument [Line Items]
Total Capacity	9,011
Outstanding Borrowings	6,181
Available Capacity	2,830
Americas \| Affiliated Entity \| Avis Budget Rental Car Funding \| Secured Debt
Debt Instrument [Line Items]
Outstanding Borrowings	7,400
International
Debt Instrument [Line Items]
Total Capacity	2,713
Outstanding Borrowings	1,020
Available Capacity	1,693
International \| Secured Debt
Debt Instrument [Line Items]
Outstanding Borrowings	1,200
Finance Lease \| International
Debt Instrument [Line Items]
Total Capacity	204
Outstanding Borrowings	140
Available Capacity	64
Finance Lease \| International \| Secured Debt
Debt Instrument [Line Items]
Outstanding Borrowings	$ 200

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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